gpsd: Fix do_install taking ages

scons was called manually in do_install step with different parameters
than in do_compile step, leading to a recompilation in do_install (but
without -j4), leading it to take very long.

BugzID: 62046

recipes-connectivity/gpsd/gpsd_3.20.bb

@@ -35,6 +35,7 @@ EXTRA_OESCONS = " \
     libdir='${libdir}' \
     manbuild='false' \
     ${PACKAGECONFIG_CONFARGS} \
+    python_libdir=${libdir} \
 "
 # this cannot be used, because then chrpath is not found and only static lib is built
 # target=${HOST_SYS}
@@ -46,16 +47,13 @@ do_compile_prepend() {
     export LINKFLAGS="${LDFLAGS}"
 }
 
-do_install() {
+do_install_prepend() {
     export PKG_CONFIG_PATH="${PKG_CONFIG_PATH}"
     export PKG_CONFIG="PKG_CONFIG_SYSROOT_DIR=\"${PKG_CONFIG_SYSROOT_DIR}\" pkg-config"
     export STAGING_PREFIX="${STAGING_DIR_HOST}/${prefix}"
     export LINKFLAGS="${LDFLAGS}"
 
     export DESTDIR="${D}"
-    # prefix is used for RPATH and DESTDIR/prefix for instalation
-    ${STAGING_BINDIR_NATIVE}/scons prefix=${prefix} python_libdir=${libdir} install ${EXTRA_OESCONS} || \
-      bbfatal "scons install execution failed."
 }
 
 do_install_append() {